Wednesday, June 15, 2022
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Measuring Drag – FYFD


A scuffed baseball sitting on dirt and gravel.

After a noticeable rise within the prevalence of residence runs starting in 2015, Main League Baseball commissioned a report that discovered the rise was brought on by a small 3% discount in drag on the league’s baseballs. When such small variations have a giant impact on the sport, it’s vital to have the ability to measure a baseball’s drag in flight precisely.

Prior to now, that measurement has typically been carried out in a wind tunnel, however the mounting mechanisms used there end in drag measurements which might be somewhat greater than what’s seen from video monitoring in precise video games. Now researchers have developed a new free-flight technique for measuring a baseball’s drag. The drag measurements from their new technique are decrease than these for wind-tunnel-mounted baseballs and in higher settlement with video-based strategies. The authors’ technique must be adaptable to different sports activities like cricket and tennis, which can hopefully present new perception into the subtleties of their aerodynamics. (Picture credit score: T. Park; analysis credit score: L. Smith and A. Sciacchitano; by way of Ars Technica; submitted by Kam-Yung Soh)



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